USE OF CLAYS AS ADSORBENTS FOR BLEACHING USED MOTOR OILS. Web of Technology: Multidimensional Research Journal, [S. l.], v. 3, n. 12, p. 38–46, 2025. Disponível em: https://webofjournals.com/index.php/4/article/view/5667. Acesso em: 24 feb. 2026.